2. Lightly score the inside of the eggplants, drizzle with olive oil, and lay skin-side down on a baking sheet. Sprinkle with more olive oil and roast for 20 to 25 minutes.

3. Place eggplant halves face-up on four serving plates, season with salt and pepper, and divide feta cheese, roasted peppers, and arugula among the four halves. Drizzle with vinaigrette (you may have some left over). Serve open-faced.